In this photograph taken by AP Images for Purina, Hunter, a 3-year-old Labrador Retriever from Clearwater, Fla., shakes off water after competing in the "fetch it" competition of the Purina Incredible Dog Challenge at Centennial Olympic Park, Saturday, April 2, 2011, in Atlanta. less

In this photograph taken by AP Images for Purina, Hunter, a 3-year-old Labrador Retriever from Clearwater, Fla., shakes off water after competing in the "fetch it" competition of the Purina Incredible Dog ... more

Photo: AP IMAGES FOR PURINA

In this photograph taken by AP Images for Purina, Hunter, a... Photo-929354.14417 - seattlepi.com

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In this photograph taken by AP Images for Purina, Arie, a 3-year-old border collie from Catawba, NC, competes in the 30-weave up and back competition of the Purina Incredible Dog Challenge at Centennial Olympic Park, Saturday, April 2, 2011, in Atlanta. less

In this photograph taken by AP Images for Purina, Arie, a 3-year-old border collie from Catawba, NC, competes in the 30-weave up and back competition of the Purina Incredible Dog Challenge at Centennial Olympic ... more

Photo: AP IMAGES FOR PURINA

In this photograph taken by AP Images for Purina, Arie, a... Photo-929355.14417 - seattlepi.com

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In this photograph taken by AP Images for Purina, Auggie, a three year old Russell Terrier leaps over his owner Tim Geit, of Atlanta, while competing in the freestyle flying disc competition of the Purina Incredible Dog Challenge at Centennial Olympic Park, Saturday, April 2, 2011, in Atlanta. less

In this photograph taken by AP Images for Purina, Auggie, a three year old Russell Terrier leaps over his owner Tim Geit, of Atlanta, while competing in the freestyle flying disc competition of the Purina ... more

Photo: AP IMAGES FOR PURINA

In this photograph taken by AP Images for Purina, Auggie, a three... Photo-929370.14417 - seattlepi.com

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Bangladesh Cricket Board XI batsman Rakibul Hasan takes guard as a stray dog crosses the pitch during a warm up match against Australia at Fatullah, outskirts of Dhaka, Bangladesh, Thursday, April 7, 2011.

Bangladesh Cricket Board XI batsman Rakibul Hasan takes guard as a stray dog crosses the pitch during a warm up match against Australia at Fatullah, outskirts of Dhaka, Bangladesh, Thursday, April 7, 2011.

Supporters of Presidential candidate Ollanta Humala, of the political party Peru Wins, one holding a dog, wait for his arrival before a campaign rally in Arequipa, Peru, Thursday, April 7, 2011. Peru's general elections are scheduled for April 10, 2011. less

Supporters of Presidential candidate Ollanta Humala, of the political party Peru Wins, one holding a dog, wait for his arrival before a campaign rally in Arequipa, Peru, Thursday, April 7, 2011. Peru's general ... more

A dog wears a jersey of the political party Peru Wins, whose presidential candidate is Ollanta Humala, during a campaign rally in Arequipa, Peru, Thursday, April 7, 2011. Peru's general elections are scheduled for April 10, 2011. less

A dog wears a jersey of the political party Peru Wins, whose presidential candidate is Ollanta Humala, during a campaign rally in Arequipa, Peru, Thursday, April 7, 2011. Peru's general elections are scheduled ... more

Photo: AP

A dog wears a jersey of the political party Peru Wins, whose... Photo-929367.14417 - seattlepi.com

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A Roma boy carries his dog during a celebration of International Roma Day in the Stolipinovo suburb of Plovdiv on April 8, 2011. Romania's Roma community is the biggest in Europe. Bulgaria has an estimated 700,000 Roma, or about 10 percent of the population, most of whom live in abject poverty. less

A Roma boy carries his dog during a celebration of International Roma Day in the Stolipinovo suburb of Plovdiv on April 8, 2011. Romania's Roma community is the biggest in Europe. Bulgaria has an estimated ... more

Photo: AFP/Getty Images

A Roma boy carries his dog during a celebration of International... Photo-929358.14417 - seattlepi.com

In this photo taken April 6, 2011, the Children's Justice Center's new Therapy dog Tabitha poses for a portrait, in Vancouver, Wash. A 2-year-old ivory retriever and black Labrador retriever mix, Tabitha is the center's new service dog, providing comfort for the juvenile visitors to the center. less

In this photo taken April 6, 2011, the Children's Justice Center's new Therapy dog Tabitha poses for a portrait, in Vancouver, Wash. A 2-year-old ivory retriever and black Labrador retriever mix, Tabitha is ... more

Photo: AP

In this photo taken April 6, 2011, the Children's Justice... Photo-929375.14417 - seattlepi.com

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A man and his dog relax in the sunshine in Rembrandt Gardens, Little Venice on April 8, 2011 in London, England.

A man and his dog relax in the sunshine in Rembrandt Gardens, Little Venice on April 8, 2011 in London, England.

Photo: Oli Scarff, Getty Images

A man and his dog relax in the sunshine in Rembrandt Gardens,... Photo-929359.14417 - seattlepi.com

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Chuck Franco, husband of New Mexico Gov. Susana Martinez, keeps on eye on their dog Riggs during a visit to Louie's Corner Cafe in Santa Fe, N.M., Friday, April 8, 2011. Franco and Riggs were standing by as Gov. Martinez signed legislation Friday allowing dogs in certain designated outdoor dining areas in New Mexico. less

Chuck Franco, husband of New Mexico Gov. Susana Martinez, keeps on eye on their dog Riggs during a visit to Louie's Corner Cafe in Santa Fe, N.M., Friday, April 8, 2011. Franco and Riggs were standing by as ... more

Buttons sits under its owner, Bill Justice, of Newport, Ky. on Saturday, April 2, 2011 as the they wait for a veterinarian during a Pets in Need event at the Kenton County Animal Shelter in Covington, Ky., where low-income dog owner residents could have in their dogs attended to for a discounted price. less

Buttons sits under its owner, Bill Justice, of Newport, Ky. on Saturday, April 2, 2011 as the they wait for a veterinarian during a Pets in Need event at the Kenton County Animal Shelter in Covington, Ky., ... more

Johanna Krumer of Latonia, Ky. holds her dog Spike during a Pets in Need event at the Kenton County Animal Shelter in Covington, Ky. on Saturday, April 2, 2011 where dog owner residents could have their pets attended to by a veterinarian for a discounted price. less

Johanna Krumer of Latonia, Ky. holds her dog Spike during a Pets in Need event at the Kenton County Animal Shelter in Covington, Ky. on Saturday, April 2, 2011 where dog owner residents could have their pets ... more

Border collies rest under the shade of a tarp after the Marion County Humane Society shut down a puppy mill operation on Tuesday, April 5, 2011 in Jefferson, Texas.

Border collies rest under the shade of a tarp after the Marion County Humane Society shut down a puppy mill operation on Tuesday, April 5, 2011 in Jefferson, Texas.

Photo: AP Photo/The News Messenger, Courtney Case

Border collies rest under the shade of a tarp after the Marion... Photo-929371.14417 - seattlepi.com

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Panda, a rescued stray puppy, strolls on the grass during a protest in Bucharest, Romania, Tuesday, April 5, 2011, against euthanasia of stray dogs and new regulations to be voted by parliament regarding ways to deal with the stray dog issue. According to protesters gathered outside Romania's parliament, the new law would allow local administration to put down stay dogs and also create ways to divert funds for stray dogs issue to political parties. According to local media there are 50,000 stray dogs in the Romanian capital, of which 60 percent are sterilized. less

Panda, a rescued stray puppy, strolls on the grass during a protest in Bucharest, Romania, Tuesday, April 5, 2011, against euthanasia of stray dogs and new regulations to be voted by parliament regarding ways ... more

Photo: Vadim Ghirda, ASSOCIATED PRESS

Panda, a rescued stray puppy, strolls on the grass during a protest... Photo-929374.14417 - seattlepi.com

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Taboola Gallery Frame Item-85307.14417 - seattlepi.com

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Bebi the dog carries a banner that reads "I was a stray dog too" while taking part with his owner Oana Urecheatu, in a protest against euthanasia of stray dogs and new regulations to be voted by parliament regarding ways to deal with the stray dog issue in Bucharest, Romania, Tuesday, April 5, 2011. less

Bebi the dog carries a banner that reads "I was a stray dog too" while taking part with his owner Oana Urecheatu, in a protest against euthanasia of stray dogs and new regulations to be voted by parliament ... more

Photo: Vadim Ghirda, ASSOCIATED PRESS

Bebi the dog carries a banner that reads "I was a stray dog... Photo-929373.14417 - seattlepi.com

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Hercules, a small dog that was rescued after an accident which left its back legs paralyzed, walks behind gendarmes during a protest in Bucharest, Romania, Tuesday, April 5, 2011, against euthanasia of stray dogs and new regulations to be voted by parliament regarding ways to deal with the stray dog issue. less

Hercules, a small dog that was rescued after an accident which left its back legs paralyzed, walks behind gendarmes during a protest in Bucharest, Romania, Tuesday, April 5, 2011, against euthanasia of stray ... more

Photo: Vadim Ghirda, ASSOCIATED PRESS

Hercules, a small dog that was rescued after an accident which left... Photo-929372.14417 - seattlepi.com

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A dog, rescued by the Japan Coast Guard on April 1, 2011 after being found drifting atop the remains of the roof of a house off the coast of Kesennuma at the Pacific Ocean, arrives at Shiogama port on April 2.

A dog, rescued by the Japan Coast Guard on April 1, 2011 after being found drifting atop the remains of the roof of a house off the coast of Kesennuma at the Pacific Ocean, arrives at Shiogama port on April 2.

Photo: AFP/Getty Images

A dog, rescued by the Japan Coast Guard on April 1, 2011 after... Photo-929357.14417 - seattlepi.com

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A woman named Onodera and dog Ban react as they are reunited at an animal shelter in Tomiyamachi, Miyagi prefecture, northern Japan Monday, April 4, 2011. Ban, rescued from drifting ocean debris immediately jumped to her owner and wagged her tail at their reunion more than three weeks after Japan's tsunami. less

A woman named Onodera and dog Ban react as they are reunited at an animal shelter in Tomiyamachi, Miyagi prefecture, northern Japan Monday, April 4, 2011. Ban, rescued from drifting ocean debris immediately ... more

Photo: AP Photo/Nikkan Sports, Hirotaka Yoshimoto

A woman named Onodera and dog Ban react as they are reunited at an... Photo-929364.14417 - seattlepi.com

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Taboola Gallery Frame Item-85307.14417 - seattlepi.com

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A dog is screened for radiation contamination after being reunited with its owner in Tamura, Fukushima Prefecture, northeastern Japan, Sunday, April 4, 2011. Tamura city lies partly within the zone around the tsunami-crippled Fukushima Dai-ichi nuclear power plant, where officials have told residents to stay indoors. less

A dog is screened for radiation contamination after being reunited with its owner in Tamura, Fukushima Prefecture, northeastern Japan, Sunday, April 4, 2011. Tamura city lies partly within the zone around the ... more

Photo: AP Photo/Yomiuri Shimbun, Kenji Shimizu

A dog is screened for radiation contamination after being reunited... Photo-929363.14417 - seattlepi.com

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Dogs wander around a town of Minami Soma, inside the deserted evacuation zone established for the 20 kilometer radius around the Fukushima Dai-ichi nuclear complex in northeastern Japan Thursday, April 7, 2011.

Dogs wander around a town of Minami Soma, inside the deserted evacuation zone established for the 20 kilometer radius around the Fukushima Dai-ichi nuclear complex in northeastern Japan Thursday, April 7, 2011.

Photo: Hiro Komae, AP

Dogs wander around a town of Minami Soma, inside the deserted... Photo-929361.14417 - seattlepi.com

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A police dog involved in the search effort runs along a stretch of beach highway where police recently found human remains on April 5, 2011 in Babylon, New York.

A police dog involved in the search effort runs along a stretch of beach highway where police recently found human remains on April 5, 2011 in Babylon, New York.

Photo: Spencer Platt, Getty Images

A police dog involved in the search effort runs along a stretch of... Photo-929356.14417 - seattlepi.com